/* 主内容区 */
        .container {
            max-width: 1200px;
            margin: 30px auto;
            padding: 0 20px;
        }

        .page-title {
            font-size: 24px;
            color: #003366;
            margin-bottom: 30px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
        }

        /* 板块通用美化 */
        .photo-section,
        .video-section {
            background: #ffffff;
            border-radius: 12px;
            padding: 25px 25px 15px;
            margin-bottom: 35px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .photo-section h3,
        .video-section h3 {
            font-size: 20px;
            color: #005b9f;
            margin: 0 0 15px 0;
            padding-left: 12px;
            border-left: 4px solid #005b9f;
            line-height: 1.4;
            font-family: "UN Heading"
        }

        /* 图片展示区 */
        .gallery-section {
            margin-bottom: 50px;
        }

        .section-title {
            font-size: 20px;
            color: #005b9f;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title::before {
            content: "";
            display: inline-block;
            width: 4px;
            height: 20px;
            background-color: #005b9f;
        }

        /* 图片容器 */
        .photo-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            max-height: calc(200px * 2 + 10px);
            /* 两行高度 */
            overflow: hidden;
            margin-bottom: 15px;
            transition: max-height 0.6s ease-in-out;
        }

        .photo-item {
            width: calc(25% - 7.5px);
            height: 200px;
            object-fit: cover;
            cursor: pointer;
            border-radius: 8px;
            border: 1px solid #f0f0f0;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .photo-item:hover {
            transform: scale(1.03);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .photo-container.expanded {
            max-height: 5000px;
            /* 足够大，配合transition实现动画 */
        }

        /* 视频容器 */
        .video-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            max-height: calc(310px * 2 + 10px);
            overflow: hidden;
            margin-bottom: 15px;
            transition: max-height 0.6s ease-in-out;
        }

        .video-item {
            width: calc(33.19999% - 5px);
            height: 310px;
            object-fit: cover;
            border-radius: 8px;
            border: 1px solid #f0f0f0;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .video-item:hover {
            transform: scale(1.02);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .video-container.expanded {
            max-height: 5000px;
        }

        /* 按钮美化 */
        .more-btn {
            padding: 10px 24px;
            border: none;
            background: #005b9f;
            color: #fff;
            cursor: pointer;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.5px;
            transition: background 0.3s, transform 0.2s;
            display: block;
            margin: 35px auto 0;
            position: relative;
            font-family: "UN Body"
        }

        .more-btn::after {
            content: " ›";
            font-size: 16px;
            transition: transform 0.3s;
            display: inline-block;
        }

        .more-btn:hover {
            background: #004b99;
            transform: translateY(-1px);
        }

        .more-btn:active {
            transform: translateY(0);
        }

        .more-btn:disabled {
            background: #b3b3b3;
            color: #eee;
            cursor: not-allowed;
            transform: none;
        }

        .more-btn:disabled:hover {
            background: #b3b3b3;
            transform: none;
        }

        /* 收起状态箭头旋转 */
        .photo-container.expanded~.more-btn::after,
        .video-container.expanded~.more-btn::after {
            content: " ‹";
            transform: rotate(180deg);
        }

        /* 图片弹窗样式 */
        .photo-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.85);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 999;
        }

        .modal-img {
            max-width: 80%;
            max-height: 80%;
            border-radius: 4px;
        }

        .modal-close,
        .modal-prev,
        .modal-next {
            position: absolute;
            background: rgba(255, 255, 255, 0.5);
            border: none;
            width: 40px;
            height: 40px;
            font-size: 20px;
            color: #000;
            cursor: pointer;
            border-radius: 50%;
            transition: background 0.2s;
        }

        .modal-close:hover,
        .modal-prev:hover,
        .modal-next:hover {
            background: rgba(255, 255, 255, 0.8);
        }

        .modal-close {
            top: 20px;
            right: 20px;
        }

        .modal-prev {
            left: 20px;
        }

        .modal-next {
            right: 20px;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .header {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }

            .nav ul {
                flex-wrap: wrap;
            }

            .footer-content {
                grid-template-columns: 1fr;
            }

            .video-container {
                grid-template-columns: 1fr;
            }
        }

        /* 主容器 */
        .case-container {
            width: 100%;
            max-width: 1360px;
            margin: 0 auto;
            display: flex;
            gap: 26px;
        }

        /* 左侧列表 */
        .case-sidebar {
            width: 41%;
            height: min-content;
            display: flex;
            flex-direction: column;
            border-radius: 12px;
            background: rgba(255, 255, 255, 1);
            box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.05);
            
        }
        .case-sidebar .nkgdt {
            height: 700px;
            overflow: auto;
        }
        .case-sidebar-item {
            cursor: pointer;
            transition: all 0.3s ease;
            overflow: hidden;
            text-overflow: ellipsis;
            border-radius: 6px;
            background: rgba(248, 250, 252, 1);
            margin: 18px 18px 0 18px;
        }

        .case-sidebar-item:last-child {
            margin-bottom: 18px;
        }

        .case-sidebar-item:hover {
            border-radius: 6px;
            background: rgba(0, 91, 159, 1);
        }

        .case-sidebar-item a {
            color: rgba(15, 23, 42, 1);
            font-family: "UN Heading";
            font-weight: 400;
            font-size: 20px;
            line-height: 28px;
            word-wrap: break-word;
            padding: 12px 15px 12px 18px;
            display: block;
        }

        .case-sidebar-item a:hover {
            color: rgba(255, 255, 255, 1);
            font-weight: 600;
        }

        /* 右侧轮播 */
        .case-carousel {
            width: 59%;
            overflow: hidden;
            position: relative;
            border-radius: 12px;
            padding-bottom: 40px;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.05);
        }

        .case-carousel-wrapper {
            display: flex;
            transition: transform 0.5s ease;
        }

        .case-carousel-item {
            min-width: 100%;
            padding: 0 24px 20px 24px;
        }

        .case-item-title {
            color: rgba(15, 23, 42, 1);
            font-family: "UN Heading";
            font-weight: 700;
            font-size: 30px;
            line-height: 30px;
            margin: 20px 0 10px;
        }

        .case-item-author {
            color: rgba(100, 116, 139, 1);
            font-family: "UN Body";
            font-weight: 600;
            font-size: 14px;
            line-height: 20px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .case-item-author::before {
            content: "";
            display: inline-block;
            width: 18px;
            height: 18px;
            background: url("../img/People.png") no-repeat center;
            background-size: contain;
        }
        .case-carousel-item p {
            color: rgba(100, 116, 139, 1);
            font-family: "UN Body";
            font-weight: 400;
            font-size: 16px;
            line-height: 22px;
            margin-bottom: 16px;
        }
        .case-carousel-item img {
            width: 100%;
            height: auto;
            margin-bottom: 16px;
        }
        .case-item-brief {
            color: rgba(100, 116, 139, 1);
            font-family: "UN Body";
            font-weight: 400;
            font-size: 16px;
            line-height: 22px;
            margin-bottom: 16px;
        }

        .case-item-img {
            width: 100%;
            height: auto;
            margin-bottom: 16px;
            border-radius: 4px;
        }

        .case-item-detail {
            color: rgba(100, 116, 139, 1);
             font-family: "UN Body";
            font-weight: 400;
            font-size: 16px;
            line-height: 22px;
            margin-bottom: 24px;
        }

        .case-carousel-dots {
            position: absolute;
            bottom: -22px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 8px;
        }
        .lbnrfoot {
            display: block;
            width: 94%;
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
        }

        .case-carousel-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: #ddd;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

        .case-carousel-dot.active {
            background-color: #0052cc;
        }

        /* 响应式适配 */
        @media (max-width: 1400px) {
            .case-container {
                max-width: 1200px;
            }
        }

        @media (max-width: 992px) {
            .case-container {
                flex-direction: column;
            }

            .case-sidebar,
            .case-carousel {
                width: 100%;
            }

            .case-sidebar {
                flex-direction: row;
                overflow-x: auto;
                padding-bottom: 8px;
                margin-bottom: 16px;
            }

            .case-sidebar-item {
                flex: 0 0 auto;
            }
        }

        @media (max-width: 576px) {
            .case-item-title {
                font-size: 18px;
            }

            .case-carousel-item {
                padding: 0 16px;
            }
        }
        .industry-review-wrapper-newssdxm-left {
    width: 44%;
    float: left;
        }
        .industry-review-wrapper-newssdxm-right {
            margin-top: 34px
        }